:root {
  --ink: #102d52;
  --ink-deep: #082343;
  --blue: #0d5bb6;
  --blue-bright: #2676d4;
  --red: #c5373f;
  --paper: #f7f9fc;
  --line: #dbe4ef;
  --muted: #5d6f86;
  --white: #fff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif; font-size: 16px; line-height: 1.75; }
a { color: inherit; text-decoration: none; }
.container { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }
.site-header { position: sticky; top: 0; z-index: 10; background: rgba(8, 35, 67, .97); color: var(--white); border-bottom: 1px solid rgba(255,255,255,.12); }
.header-inner { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.brand { display: flex; align-items: center; gap: 14px; min-width: 0; }
.brand-mark { position: relative; display: inline-flex; align-items: center; flex: 0 0 auto; padding: 4px 2px 9px; color: #f1c696; font-family: "STKaiti", "KaiTi", "FZKai-Z03", "SimSun", serif; font-size: 26px; line-height: 1; font-weight: 700; letter-spacing: 4px; }
.brand-mark::after { content: ""; position: absolute; left: 2px; right: 0; bottom: 0; height: 2px; background: var(--red); }
.brand-copy { display: grid; line-height: 1.2; gap: 6px; }
.brand-copy strong { font-size: 17px; font-weight: 600; white-space: nowrap; }
.brand-suffix { margin-left: 6px; color: #f1c696; font-size: .82em; font-weight: 500; letter-spacing: 1px; }
.brand-copy small { color: #b8c8dc; font-size: 12px; letter-spacing: 1px; }
.site-nav { display: flex; align-items: center; gap: 36px; font-size: 15px; }
.site-nav a { color: #e6edf6; transition: color .2s ease; }
.site-nav a:hover { color: #f2bd80; }
.menu-toggle { display: none; border: 1px solid rgba(255,255,255,.35); background: transparent; color: white; padding: 7px 10px; font: inherit; }
.hero-section { background: var(--ink-deep); color: var(--white); min-height: 650px; display: flex; flex-direction: column; justify-content: center; position: relative; overflow: hidden; }
.hero-section::after { content: ""; position: absolute; width: 38vw; height: 38vw; right: -13vw; top: -12vw; border: 1px solid rgba(255,255,255,.13); transform: rotate(45deg); }
.hero-section::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 7px; background: var(--red); }
.hero-grid { min-height: 520px; display: grid; grid-template-columns: 1.2fr .8fr; align-items: center; gap: 70px; position: relative; z-index: 1; }
.eyebrow { margin: 0 0 18px; color: #c5d5e9; font-size: 12px; letter-spacing: 2.5px; font-weight: 700; }
.eyebrow-blue { color: var(--blue); }
.eyebrow-red { color: var(--red); }
.hero-copy h1 { margin: 0; font-size: clamp(42px, 5vw, 72px); line-height: 1.15; letter-spacing: 1px; font-weight: 700; }
.hero-copy h1 span { color: #e4a36f; }
.hero-lead { max-width: 620px; margin: 28px 0 0; color: #c2d0e1; font-size: 18px; line-height: 1.9; }
.hero-actions { display: flex; align-items: center; gap: 24px; margin-top: 34px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 24px; font-size: 15px; transition: transform .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--red); color: white; }
.button-primary:hover { background: #dd4b53; }
.button-quiet { color: #f5d8c0; border-bottom: 1px solid rgba(245,216,192,.6); padding-left: 0; padding-right: 0; }
.hero-crest { justify-self: end; width: min(380px, 100%); padding: 44px 42px 38px; border-left: 1px solid rgba(255,255,255,.35); border-top: 5px solid var(--red); background: rgba(255,255,255,.04); }
.hero-crest img { width: 100%; max-width: 295px; display: block; filter: none; }
.crest-rule { height: 1px; background: rgba(255,255,255,.35); margin: 28px 0 18px; }
.hero-crest p { margin: 0; color: #b9c8da; font-size: 14px; line-height: 1.8; }
.hero-signal { display: flex; align-items: center; gap: 13px; margin-top: 28px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.18); }
.signal-line { width: 26px; height: 26px; border: 1px solid #e4a36f; position: relative; }
.signal-line::after { content: ""; position: absolute; width: 8px; height: 8px; background: #e4a36f; top: 8px; left: 8px; }
.hero-signal span:last-child { display: grid; gap: 2px; }
.hero-signal strong { color: #f4d8bc; font-size: 14px; font-weight: 600; }
.hero-signal small { color: #9fb4ce; font-size: 12px; }
.hero-bottom { display: flex; justify-content: space-between; gap: 20px; padding: 22px 0 30px; border-top: 1px solid rgba(255,255,255,.2); color: #b5c4d7; font-size: 13px; position: relative; z-index: 1; }
.section { padding: 110px 0; }
.section-paper { background: var(--white); }
.section-pale { background: #edf3f9; }
.about-layout, .process-layout { display: grid; grid-template-columns: .75fr 1.25fr; gap: 100px; }
.section-heading h2, .contact-section h2 { margin: 0; color: var(--ink); font-size: clamp(32px, 4vw, 48px); line-height: 1.3; letter-spacing: .5px; }
.section-heading-light h2, .section-heading-light p { color: white; }
.section-heading-light .eyebrow { color: #aec5e1; }
.section-heading-light > p:last-child { margin: 20px 0 0; color: #c7d5e6; }
.about-body { color: var(--muted); font-size: 16px; }
.about-body p { margin: 0 0 20px; }
.lead-paragraph { color: var(--ink); font-size: 21px; line-height: 1.8; }
.metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 38px; padding-top: 28px; border-top: 1px solid var(--line); }
.metrics div { display: grid; gap: 3px; }
.metrics strong { color: var(--blue); font-size: 34px; line-height: 1.1; }
.metrics strong span { font-size: 16px; margin-left: 3px; }
.metrics span { color: var(--muted); font-size: 13px; }
.section-blue { background: var(--blue); color: white; }
.service-list { display: grid; grid-template-columns: repeat(2, 1fr); margin-top: 54px; border-top: 1px solid rgba(255,255,255,.28); }
.service-item { display: grid; grid-template-columns: 56px 1fr; gap: 20px; padding: 30px 30px 30px 0; border-bottom: 1px solid rgba(255,255,255,.28); }
.service-item:nth-child(odd) { border-right: 1px solid rgba(255,255,255,.28); padding-right: 38px; }
.service-item:nth-child(even) { padding-left: 38px; }
.service-item:last-child { grid-column: 1 / -1; border-right: 0; }
.service-number { color: #efb583; font-size: 14px; font-weight: 700; letter-spacing: 1px; }
.service-item h3 { margin: 0 0 7px; font-size: 20px; font-weight: 600; }
.service-item p { margin: 0; color: #d0e0f1; font-size: 14px; line-height: 1.7; }
.industry-strip { display: flex; align-items: center; gap: 24px; margin-top: 42px; padding: 18px 0 0; border-top: 1px solid rgba(255,255,255,.28); color: #c7d7e9; font-size: 14px; }
.industry-strip strong { color: #f1c696; font-weight: 600; }
.industry-strip em { margin-left: auto; color: #9fb9d6; font-style: normal; }
.platform-layout { display: grid; grid-template-columns: 174px minmax(0, 1fr); align-items: start; gap: 58px; }
.platform-content { min-width: 0; }
.platform-stamp { width: 160px; height: 160px; border: 1px solid #c7d4e2; border-top: 4px solid var(--red); background: #f8fafc; color: var(--ink); display: grid; place-items: center; align-content: center; gap: 6px; }
.platform-stamp span { font-size: 35px; font-weight: 700; letter-spacing: 3px; }
.platform-stamp small { color: var(--red); text-align: center; line-height: 1.45; font-size: 13px; }
.platform-layout h2 { margin: 0; color: var(--ink); font-size: clamp(34px, 4vw, 50px); line-height: 1.3; }
.platform-points { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 34px; padding-top: 27px; border-top: 1px solid var(--line); }
.platform-points div { display: grid; gap: 5px; }
.platform-points strong { color: var(--red); font-size: 17px; }
.platform-points span { color: var(--muted); font-size: 14px; line-height: 1.7; }
.industry-ribbon { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 13px; margin-top: 30px; padding: 14px 17px; border-left: 4px solid var(--red); background: #f0f4f8; color: var(--muted); font-size: 13px; }
.industry-ribbon b { color: var(--ink); font-weight: 600; }
.industry-ribbon i { color: var(--red); font-style: normal; font-size: 18px; }
.process-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px 48px; }
.process-step { display: grid; grid-template-columns: 44px 1fr; gap: 16px; padding: 20px 0; border-top: 1px solid #c9d6e5; }
.process-step > span { color: var(--red); font-weight: 700; }
.process-step h3 { margin: 0 0 3px; font-size: 19px; }
.process-step p { margin: 0; color: var(--muted); font-size: 14px; }
.contact-section { padding: 86px 0; background: var(--ink); color: white; }
.contact-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: end; }
.contact-section h2 { color: white; }
.contact-section > .container > div:first-child > p:last-child { margin: 24px 0 0; color: #c1d0e1; }
.contact-details { display: grid; gap: 26px; padding-left: 32px; border-left: 1px solid rgba(255,255,255,.3); }
.contact-details div { display: grid; grid-template-columns: 82px 1fr; gap: 20px; }
.contact-details span { color: #a8bfd9; font-size: 14px; }
.contact-details strong { font-size: 16px; line-height: 1.7; font-weight: 500; }
.site-footer { background: #061b35; color: #9cb0c8; font-size: 13px; }
.footer-inner { min-height: 70px; display: flex; justify-content: space-between; align-items: center; gap: 20px; }
@media (max-width: 800px) {
  .container { width: min(100% - 34px, 600px); }
  .header-inner { min-height: 68px; }
  .brand-copy strong { font-size: 14px; }
  .brand-copy small { display: none; }
  .menu-toggle { display: block; }
  .site-nav { display: none; position: absolute; top: 68px; left: 0; right: 0; padding: 18px; background: var(--ink-deep); border-top: 1px solid rgba(255,255,255,.14); flex-direction: column; align-items: flex-start; gap: 12px; }
  .site-nav.is-open { display: flex; }
  .hero-section { min-height: 700px; }
  .hero-grid { grid-template-columns: 1fr; gap: 46px; padding-top: 62px; padding-bottom: 40px; }
  .hero-copy h1 { font-size: 44px; }
  .hero-lead { font-size: 16px; }
  .hero-crest { justify-self: start; width: 100%; padding: 26px; }
  .hero-crest img { max-width: 235px; }
  .hero-bottom { display: grid; grid-template-columns: repeat(3, 1fr); font-size: 12px; }
  .about-layout, .process-layout, .contact-layout { grid-template-columns: 1fr; gap: 42px; }
  .section { padding: 76px 0; }
  .lead-paragraph { font-size: 18px; }
  .service-list { grid-template-columns: 1fr; }
  .service-item, .service-item:nth-child(even), .service-item:nth-child(odd) { grid-column: auto; padding: 24px 0; border-right: 0; }
  .industry-strip { align-items: flex-start; flex-wrap: wrap; gap: 10px 18px; }
  .industry-strip em { width: 100%; margin-left: 0; }
  .platform-layout { grid-template-columns: 1fr; gap: 30px; }
  .platform-points, .process-list { grid-template-columns: 1fr; }
  .industry-ribbon { flex-wrap: wrap; gap: 8px 11px; }
  .contact-details { padding-left: 0; border-left: 0; padding-top: 26px; border-top: 1px solid rgba(255,255,255,.3); }
  .footer-inner { display: grid; padding: 18px 0; gap: 3px; }
}
  .brand-mark { font-size: 22px; }